On Thu, Jul 25, 2024 at 10:56 AM Andrew Dunstan <and...@dunslane.net> wrote:
>
>
> On 2024-07-23 Tu 6:59 PM, Masahiko Sawada wrote:
>
> See 
> <https://bitbucket.org/adunstan/rotfang-fdw/downloads/xid-wraparound-result.tar.bz2>
>
>
> The failure logs are from a run where both tests 1 and 2 failed.
>
> Thank you for sharing the logs.
>
> I think that the problem seems to match what Alexander Lakhin
> mentioned[1]. Probably we can fix such a race condition somehow but
> I'm not sure it's worth it as setting autovacuum = off and
> autovacuum_max_workers = 1 (or a low number) is an extremely rare
> case. I think it would be better to stabilize these tests. One idea is
> to turn the autovacuum GUC parameter on while setting
> autovacuum_enabled = off for each table. That way, we can ensure that
> autovacuum workers are launched. And I think it seems to align real
> use cases.
>
> Regards,
>
> [1] 
> https://www.postgresql.org/message-id/02373ec3-50c6-df5a-0d65-5b9b1c0c86d6%40gmail.com
>
>
> OK, do you want to propose a patch?
>

Yes, I'll prepare and share it soon.

Regards,

-- 
Masahiko Sawada
Amazon Web Services: https://aws.amazon.com


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